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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/09/2024, 06:42
Static task
static1
Behavioral task
behavioral1
Sample
000574068766eecdbba11b75a0ebbba7_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
000574068766eecdbba11b75a0ebbba7_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
000574068766eecdbba11b75a0ebbba7_JaffaCakes118.dll
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Size
236KB
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MD5
000574068766eecdbba11b75a0ebbba7
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SHA1
a4c6aa364b16914abaa34edd283af08237cd0869
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SHA256
65935b4753dc751ac7d98d3170840077cf9a1d8c929c314b93c40b34d9881d92
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SHA512
6e58fb7faa580ee14b9ad3c91aaef1b1335d5758292a125b455e942e32be1650a761b90abf632962b601b8194b7829d22e033ed54c6f9c733dffd9dabd824e69
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SSDEEP
3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkI0:+Qj9U3jwO3rt5r
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\rnx = "{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3}" rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2384 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\eak.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\eak.dll rundll32.exe File created C:\Windows\SysWOW64\mis.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\mis.dll rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7b399a4b-f3b1-4806-04c2-f3b112c3a7d3}\InprocServer32\ = "C:\\Windows\\SysWow64\\mis.dll" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2384 rundll32.exe 2384 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2384 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2384 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31 PID 2520 wrote to memory of 2384 2520 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\000574068766eecdbba11b75a0ebbba7_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\000574068766eecdbba11b75a0ebbba7_JaffaCakes118.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
625KB
MD595e2376b3323f062eb562b8586d0f14a
SHA1453d4c3bf4a489433b593420a37bbffb7749875a
SHA256bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017
SHA512b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d